Dear all, I am looking to refresh my memory as to some material at a precalculus level. At the moment I am traversing a course in single variable calculus but I feel some review would be useful. The following is a list of materials readily available to me so I would appreciate any guidance you can offer. I have tried to do some research as to some suggested texts but have had trouble narrowing it down beyond the following. I have little issue with mixing/matching as necessary if any text has a superior presentation of certain topics. Algebra and Trigonometry by Axler. Basic Mathematics by Lang. Principles of Mathematics by Allendoefer and Oakley. Calculus 1 with Precalculus by Larson (not seen suggested but a friend has a copy he is willing to give to me so I thought I should list it). Gelfand Maths Series by Gelfand et al (Algebra, Trig, Functions and Graphs, Method of Coordinates, Sequences, Combinations and Limits; Lines and Curves: A Practical Geometry Handbook). Geometry by Jacobs. Elements of Algebra by Euler. Euclid's Elements by Euclid.